D1 Bojkovic Z., Kacprzyk J., Mastorakis N., Mladenov V., Zadeh L., Zemliak A., Covaci B., Bogdan A., Lazaroiu G., Recent Researches in Energy & Environment, Cambridge University, Cambridge, UK, 2011; ISBN: 978-960-474-274-5; ISSN: 1792-8230 – Indexed in WSEAS: www.wseas.org, Repec: http://ideas.repec.org/s/ris/sphedp.html
D2 Lagakos S., Perlovsky L., Jha M., Covaci B., Zaharim A., Mastorakis N., Recent Advances in Applied Mathematics (Proceedings of the American Conference on Applied Mathematics), Harvard University, Cambridge, SUA, 2010; ISBN: 978-960-474-150-2; ISSN: 1790-2769 – Indexed in WSEAS: www.wseas.org, Repec: http://ideas.repec.org/s/ris/sphedp.html
D3 Lagakos S., Perlovsky L., Jha M., Covaci B., Zaharim A., Mastorakis N., Recent Advances in Computer Engineering and Applications, Harvard University, Cambridge, SUA, 2010; ISBN: 978-960-474-151-9; ISSN: 1790-5117 – Indexed in WSEAS: www.wseas.org, Repec: http://ideas.repec.org/s/ris/sphedp.html
D4 Lagakos S., Perlovsky L., Jha M., Covaci B., Zaharim A., Mastorakis N., Proceedings of the Wseas International Conference on Circuits, Systems, Signal and Telecommunications, Harvard University, Cambridge, SUA, 2010, ISBN: 978-960-474-152-6 – Indexed in WSEAS: www.wseas.org, Repec: http://ideas.repec.org/s/ris/sphedp.html
- Covaci B., Bogdan A. T., Diaconescu D., Simion V., Țepuș D., Chelmu S., Gabor D., Străteanu A.G., Internet-Banking in Global Rural Area and Agribusiness Based on Bioeconomy for Sustainable Development of Agrifood Green Power in Forecasting the Periods 2020-2050-2100, Proceedings of the Conference International Conference on Finance and Accounting (ICFA '10), WSEAS Publishing House, Athens, Greece, 2010, ISBN: 978-960-474-265-3;
- Covaci B., Panait I. Portofolio Risk Analysis Using Garch Model, Proceedings of the American Conference on Applied Mathematics, WSEAS Publishing House, Harvard University, SUA, 2010, ISBN: 978-960-474-150-2; ISSN: 1790-2769
- Vorniceanu M., Covaci B., Risk Dispersion in Financial System, Recent Researches in Sociology, Financing, Environment & Health Sciences, WSEAS Publishing House, Grand Canaria, Spain, 2010, ISBN: 978-960-474-287-5;
- Ardelean A., Pisoschi A., Bogdan A., Pau V., Covaci B., Covaci M., The Ethical Dimension of the Romanian Scientific Research for Sustainable Development, Recent Researches in Energy & Environment, WSEAS Publishing House, Cambridge University, UK, 2011; ISBN: 978-960-474-274-5; ISSN: 1792-8230
- Bogdan A. T., Covaci B., Simion V., Diaconescu D., Țepuș D., Chelmu S., Gabor D., Străteanu A.G., E-Banking Products and Services for Agribusiness Based Eco-Economy, with Ways “From the Farm to the Fork” in Forecasting the Developed and Developing Countries on Period 2020-2050-2100, Proceedings of the Conference International Conference on Finance and Accounting (ICFA '10), WSEAS Publishing House, Athens, Greece, 2010, ISBN: 978-960-474-265-3;
- Nicolae D., Andreica M., Jaradat M., Covaci B., Bîrzu M., The Progress Offered by the Subtle Sets Theory (SST) in the Investigation of the Socio-Economic Processes, Proceedings of the International Conference on Business Administration, WSEAS Publishing House, Cambridge University, 2010, ISBN: 978-960-474-161-8; ISSN: 1790-5109
- Nicolae D., Covaci B., Cucu V., Bîrzu M., Applications to one Creative Welfare Partnership with the Subtle Sets Theory (SST), Proceedings of the Risk Management, Assessment and Mitigation Conference, WSEAS Publishing House, Bucureşti, 2010, ISBN: 978-960-474-182-3
- Vorniceanu M., Padurean E., Cocoşatu C., Covaci B., Fractal Random of Financial Institutional Repository, Proceedings of the American Conference on Applied Mathematics, WSEAS Publishing House, Harvard University, SUA, 2010, ISBN: 978-960-474-150-2; ISSN: 1790-2769
- Vorniceanu M., Chivu R., Blajanu A., Chivu M., Covaci B., Decentralization of the fiscal policies for sustainable development desiteratum, Proceedings of the Energy, Environment, Ecosystems, Development and Landscape Architecture Conference, WSEAS Publishing House, Atena, 2009, ISBN: 978-960-474-125-0; ISSN: 1790-5095
- Chivu M., Chivu R., Covaci M., Covaci B., Sustainable Development based on Strategic Management, Proceedings of the Energy, Environment, Ecosystems, Development and Landscape Architecture Conference, WSEAS Publishing House, Atena, 2009, ISBN: 978-960-474-125-0; ISSN: 1790-5095
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